1268464740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491653}}^1$

素因数の和:491708

約数の個数: 48

約数和(自身を含む): 3634306368

約数和(自身を除く): 2365841628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 491653, 983306, 1474959, 1966612, 2458265, 2949918, 4916530, 5899836, 7374795, 9833060, 14749590, 21141079, 29499180, 42282158, 63423237, 84564316, 105705395, 126846474, 211410790, 253692948, 317116185, 422821580, 634232370, 1268464740]

約数ペア:

[(1, 1268464740), (2, 634232370), (3, 422821580), (4, 317116185), (5, 253692948), (6, 211410790), (10, 126846474), (12, 105705395), (15, 84564316), (20, 63423237), (30, 42282158), (43, 29499180), (60, 21141079), (86, 14749590), (129, 9833060), (172, 7374795), (215, 5899836), (258, 4916530), (430, 2949918), (516, 2458265), (645, 1966612), (860, 1474959), (1290, 983306), (2580, 491653)]